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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Power conditioner plus UPS - good idea? posted by swfarrar on August 3, 2020 at 08:02:38:
Firstly, PS Audio Power center has built-in spike/surge protection already. He is likely using run-of-the-mill UPS, which usually has some surge protection built in. Double the protection should be better, but if his house or powerline is truly hit by lightning, it's unlikely his equipment will be protected.
It would still be best to just unplug everything in a thunderstorm.As far as UPS degrading SQ. A garden variety UPS is "line-interactive," meaning the power passes straight through from wall outlet to equipment, with the batteries kicking in only if house power is lost. Pretty much all of these generate a square wave instead of sine wave when battery kicks in. These can degrade SQ by virtue of adding cheap AC connectors/wiring/parts/circuits in power path.
Better way is double-conversion, on-line UPS (see link below). Which are more expensive but convert wall AC->DC (battery)->AC 100% of the time. The ones that say "Pure sine wave" are preferable. These also have surge protection and sound far, far better for audio equipment IME.
Edits: 08/03/20
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Follow Ups
- Cheap UPS vs. Double-conversion UPS - Jon L 10:46:37 08/03/20 (1)
- RE: Cheap UPS vs. Double-conversion UPS - swfarrar 13:54:02 08/03/20 (0)
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